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DAVID GREENE, HOST: OK, now let's talk about some light that is probably not as good for you. This is the light coming from your smartphone or other screens. It's known as blue light. And it can really interfere with your sleep. Some people are using

发表于:2018-12-17 / 阅读(58) / 评论(0) 分类 2017年NPR美国国家公共电台11月

Then, Ostrum's crew made another discovery - lying next to the Raptor was a second skeleton. 紧接着,奥斯特伦姆的团队有了另一个发现,在迅猛龙旁边还有第二具骸骨。 Two Raptors, side by side. 两头迅猛龙紧挨着。

发表于:2018-12-28 / 阅读(56) / 评论(0) 分类 侏罗纪搏击俱乐部

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. One of the most important archaeological finds in history was the Dead Sea Scrolls. These documents include some of the earliest written records of the

发表于:2019-01-08 / 阅读(75) / 评论(0) 分类 Scientific American(十一)月

Ne ga weon ha neun de ro Ja sin in neun mo seub keu dae ro I jek keo sum gyo watteon bi mi leul Ne ga mo du mal ha go sipeo (Baby) Funny How All Dreams Come True Na lul ji kyo jul kkeo ya Ak kyeo watteon ja geun sa lang do Funny How I Feel For You Ne

发表于:2019-01-10 / 阅读(67) / 评论(0) 分类 音乐天堂

By David McAlary Washington 05 April 2007 Scientists have discovered a genetic reason why some dogs are small and others big. They say the finding has implications beyond canine size, since the work applies to the study of other complex genetic trait

发表于:2019-02-05 / 阅读(82) / 评论(0) 分类 2007年VOA标准英语(四月)

The Unsung Heroine Who Helped Shape 'Suicide Squad' AUDIE CORNISH, HOST: The summer's final big comic book movie opened today. Suicide Squad is not an ordinary superhero movie. For one thing, it's about supervillains. And its original story was conce

发表于:2019-02-13 / 阅读(56) / 评论(0) 分类 2016年NPR美国国家公共电台8月
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